$spec->{trigger} = quote_sub('shift->_trigger_'.$name.'(@_)');
}
- if (exists $spec->{coerce}) {
- my $value = $spec->{coerce};
- my $invalid = "Invalid coerce '" . overload::StrVal($value)
- . "' for $into->$name - not a coderef";
- die "$invalid or code-convertible object"
- unless ref $value and (ref $value eq 'CODE' or blessed($value));
- die "$invalid and could not be converted to a coderef: $@"
- if !eval { \&$value };
+ for my $setting (qw( isa coerce )) {
+ next if !exists $spec->{$setting};
+ $self->_validate_codulatable($setting, $spec->{$setting}, "$into->$name");
}
if (exists $spec->{default}) {
- my $value = $spec->{default};
- if (!defined $value || ref $value) {
- my $invalid = "Invalid default '" . overload::StrVal($value)
- . "' for $into->$name - not a coderef or non-ref";
- die "$invalid or code-convertible object"
- unless ref $value and (ref $value eq 'CODE' or blessed($value));
- die "$invalid and could not be converted to a coderef: $@"
- if !eval { \&$value };
+ if (!defined $spec->{default} || ref $spec->{default}) {
+ $self->_validate_codulatable('default', $spec->{default}, "$into->$name", 'or a non-ref');
}
}
+ if (exists $spec->{moosify}) {
+ if (ref $spec->{moosify} ne 'ARRAY') {
+ $spec->{moosify} = [$spec->{moosify}];
+ }
+
+ for my $spec (@{$spec->{moosify}}) {
+ $self->_validate_codulatable('moosify', $spec, "$into->$name");
+ }
+ }
my %methods;
if (my $reader = $spec->{reader}) {
if (my $asserter = $spec->{asserter}) {
$self->{captures} = {};
- my $code = "do {\n"
- ." my \$val = ".$self->_generate_get($name, $spec).";\n"
- ." unless (".$self->_generate_simple_has('$_[0]', $name).") {\n"
- .qq! die "Attempted to access '${name}' but it is not set";\n!
- ." }\n"
- ." \$val;\n"
- ."}\n";
$methods{$asserter} =
- quote_sub "${into}::${asserter}" => $code,
+ quote_sub "${into}::${asserter}" => $self->_generate_asserter($name, $spec),
delete $self->{captures}
;
}
sub has_eager_default {
my ($self, $name, $spec) = @_;
- (!$spec->{lazy} and ($spec->{default} or $spec->{builder}));
+ (!$spec->{lazy} and (exists $spec->{default} or $spec->{builder}));
}
sub _generate_get {
if ($self->is_simple_get($name, $spec)) {
$simple;
} else {
- 'do { '.$self->_generate_use_default(
+ $self->_generate_use_default(
'$_[0]', $name, $spec,
$self->_generate_simple_has('$_[0]', $name, $spec),
- ).'; '
- .($spec->{isa}
- ?($self->_generate_isa_check($name, $simple, $spec->{isa}).'; ')
- :''
- )
- .$simple.' }';
+ );
}
}
$spec->{coerce}
)
}
- $self->_generate_simple_set(
- $me, $name, $spec, $get_value
- ).' unless '.$test;
+ $test." ? \n"
+ .$self->_generate_simple_get($me, $name, $spec)."\n:"
+ .($spec->{isa}
+ ? " do {\n my \$value = ".$get_value.";\n"
+ ." ".$self->_generate_isa_check($name, '$value', $spec->{isa}).";\n"
+ ." ".$self->_generate_simple_set($me, $name, $spec, '$value')."\n"
+ ." }\n"
+ : ' '.$self->_generate_simple_set($me, $name, $spec, $get_value)."\n");
}
sub _generate_get_default {
sub _generate_call_code {
my ($self, $name, $type, $values, $sub) = @_;
+ $sub = \&{$sub} if blessed($sub); # coderef if blessed
if (my $quoted = quoted_from_sub($sub)) {
+ my $local = 1;
+ if ($values eq '@_' || $values eq '$_[0]') {
+ $local = 0;
+ $values = '@_';
+ }
my $code = $quoted->[1];
if (my $captures = $quoted->[2]) {
my $cap_name = qq{\$${type}_captures_for_${name}};
$self->{captures}->{$cap_name} = \$captures;
Sub::Quote::inlinify(
- $code, $values, Sub::Quote::capture_unroll($cap_name, $captures, 6), 1
+ $code, $values, Sub::Quote::capture_unroll($cap_name, $captures, 6), $local
);
} else {
- Sub::Quote::inlinify($code, $values, undef, 1);
+ Sub::Quote::inlinify($code, $values, undef, $local);
}
} else {
my $cap_name = qq{\$${type}_for_${name}};
sub _generate_simple_set {
my ($self, $me, $name, $spec, $value) = @_;
my $name_str = perlstring $name;
+ my $simple = $self->_generate_core_set($me, $name, $spec, $value);
if ($spec->{weak_ref}) {
- $value = '$preserve = '.$value;
- my $simple = $self->_generate_core_set($me, $name, $spec, $value);
require Scalar::Util;
+ my $get = $self->_generate_simple_get($me, $name, $spec);
# Perl < 5.8.3 can't weaken refs to readonly vars
# (e.g. string constants). This *can* be solved by:
#
# but requires XS and is just too damn crazy
# so simply throw a better exception
- my $weak_simple = "my \$preserve; Scalar::Util::weaken(${simple}); no warnings 'void'; \$preserve";
+ my $weak_simple = "do { Scalar::Util::weaken(${simple}); no warnings 'void'; $get }";
Moo::_Utils::lt_5_8_3() ? <<"EOC" : $weak_simple;
-
- my \$preserve;
eval { Scalar::Util::weaken($simple); 1 }
- ? do { no warnings 'void'; \$preserve; }
+ ? do { no warnings 'void'; $get }
: do {
if( \$@ =~ /Modification of a read-only value attempted/) {
require Carp;
}
EOC
} else {
- $self->_generate_core_set($me, $name, $spec, $value);
+ $simple;
}
}
."\n : ".$self->_generate_get($name, $spec)."\n )";
}
+sub _generate_asserter {
+ my ($self, $name, $spec) = @_;
+
+ "do {\n"
+ ." my \$val = ".$self->_generate_get($name, $spec).";\n"
+ ." unless (".$self->_generate_simple_has('$_[0]', $name, $spec).") {\n"
+ .qq! die "Attempted to access '${name}' but it is not set";\n!
+ ." }\n"
+ ." \$val;\n"
+ ."}\n";
+}
sub _generate_delegation {
my ($self, $asserter, $target, $args) = @_;
my $arg_string = do {
sub default_construction_string { '{}' }
+sub _validate_codulatable {
+ my ($self, $setting, $value, $into, $appended) = @_;
+ my $invalid = "Invalid $setting '" . overload::StrVal($value)
+ . "' for $into not a coderef";
+ $invalid .= " $appended" if $appended;
+
+ unless (ref $value and (ref $value eq 'CODE' or blessed($value))) {
+ die "$invalid or code-convertible object";
+ }
+
+ unless (eval { \&$value }) {
+ die "$invalid and could not be converted to a coderef: $@";
+ }
+
+ 1;
+}
+
1;
projects / gitmo/Moo.git / blobdiff